Fortune makes a great case for why you should "slack off" at work to boost your creativity. So go ahead - stare out the window a bit, take a walk around the block, or linger over some coffee.

What scientists have only recently begun to realize is that people may do their best thinking when they are not concentrating on work at all. If you've ever had a great idea pop into your head while you were washing your car, walking your dog, or even napping, you already know what a team of Dutch psychologists revealed last month in the journal Science: The unconscious mind is a terrific solver of complex problems when the conscious mind is busy elsewhere or, perhaps better yet, not overtaxed at all.

I've gotten used to the fact that my brain comes up with ideas for Lifehacker features, new web sites I want to build and the best way to deal with an annoying problem at the most random, non-work related times. That's why I've always got pen and paper around to capture those moments of insight. Do you do your best work when you're not working at all? Tell us about it. You know the routine - comments or tips at lifehacker.com.